Some people have problems with thinking and memory after having surgery. Researchers wanted to know if having these post-surgery problems was a risk factor for dementia.

Untreated mental disorders are linked to newborn complications in pregnant women. But taking psychiatric medication has risks too. Again, the old question: What, then, to do?

As of yet, there is no pill on the market for treating methamphetamine addiction. Researchers will have to continue to test and investigate for a solution.

Everybody gets a little blue from time to time, but major depressive episodes can be an indicator of future troubles. Recognizing symptoms and getting help early may make a difference.

Do troublemakers stay in line better by working or going to school? Staying busy is a good thing, but work alone may not teach younger teens how to mesh well in society.

There are a lot of reasons to quit smoking. Improved outcomes in bypass surgery is one of them. Quit now and be healthier sooner and later.

Losing mental skills can be hard to handle and may, understandably, lead to depression. Depression symptoms with dementia could intensify some problem behaviors, which may affect quality of life.

There are no medications approved to treat anorexia nervosa, but often patients are given psychotropic meds anyway. These meds have multiple side-effects and no clear benefit.

If drinking looks cool in TV shows and feels good, why should teens stay sober? Most teens don't know or don't care that binge drinking is unhealthy and dangerous. Nor do alcohol advertisements show that part of drinking.

Although most people with mild traumatic brain injury ( mTBI ) make a good recovery, about 15 percent go on to have lasting symptoms. Doctors currently have no way of knowing for certain which head injury patients will have long term difficulties.